gravel layer信息详情
砾石层；疏水石
gravel───n.(Gravel)人名；(英、法、西)格拉韦尔；n.碎石；砂砾；vt.用碎石铺；使船搁浅在沙滩上；使困惑
layer───vt.把…分层堆放；借助压条法；生根繁殖；将（头发）剪成不同层次；n.层，层次；膜；[植]压条；放置者，计划者；vi.形成或分成层次；[植]通过压条法而生根
gravel lock───碎石闸
gravel rash───砾石皮疹（非正式）
clingstone gravel───粘石砾石
gravel binder───砾石粘结剂
aquarium gravel───水族馆砾石
outer layer───外层（细胞次生壁外面的一层）
tamping gravel───夯实碎石
The invert siphon project in Zhongyishui lies in the sand and gravel layer, with rich groundwater and high seepage coefficient.───中易水倒虹吸工程建筑物所处地层为砂卵层，地下水丰富，渗透系数大。
C. Vibration strike: it is used in drilling and casing with loosen sand, cobble stone and gravel layer etc.───振动击打：用于松散的砂、卵石、碎石地层的钻进及下套管等。
There have three decisive questions need to solve while drilling in sand gravel layer. The first question is drilling footage.───在砂卵石地层中勘察钻探时，要解决三个关键性的问题：一是钻进进尺问题；
Composite sealing layer is a combination of connected gravel layer, gravel layer sealing systems, and Micro-surfacing(Slurry seal)system.───复合封层是碎石联结层、碎石封层系统和微表处（稀浆封层）系统的结合。
Based on a high-rise residential building project, studied the high pressure jet grouting application in the gravel layer.───然后以一高层住宅楼为依托，研究了高压喷射注浆法在卵石层中的应用。
Under the reticulate red clay in Changsha has a broad gravel layer.───在长沙的网纹红土下，有着宽广的沙石层。
Karez water is leaking through the mountain snow water flow inside the gravel layer of diving.───坎儿井的水源就是山上的雪水经过渗漏流砾石层里的潜水。
Experimental study on the thermal characteristics of gravel layer in a solar thermal energy conversion system for house heating───用于房屋取暖的太阳能热转换系统卵石层热特性的实验研究
The application in double liquid grouting technology in water plugging and concretion construction of sand gravel layer───双液注浆固结砂卵石层止水施工技术的应用
Railway jacking bridge engineering passing through sand pebble (gravel) layer, because it is a complex loose coarse fragment accumulation layer, the roadbed must be reinforced.
A layer of clay particles placed under the gravel layer is beneficial.
There have three decisive questions need to solve while drilling in sand gravel layer. The first question is drilling footage.
To of the bottom gravel layer , its distregulation and lithology are analyzed and studied.
Gravelly - sand over an iron - pan and gravel layer.
Thermal characteristics of the gravel layer in the system heated by hot water natural circulation with solar collector were studied.